On 13 November 1981 you observe a back sight of the upper limb of the Moon as seen through the sextant’s scope. The sextant altitude (hs) is 110°31.2′. The height of eye is 46 feet and the index error is 2.0′ off the arc. The horizontal parallax is 61.3′. What is the observed altitude (Ho)?
A) 70°41.4 B) 70°15.4′ C) 70°11.4′ D) 70°02.2 E)NULL